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FRANCISCO RIVIERE' AND FERNAN IVIERE.

APPARATUS F HE MA'NUFACTU r memrm.v

- A ATION FILED JUN 11916 1,310,966. Patented July 22, 1919.

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FRANCISCO RIVIERE AND' FERNANDO RIVIERE.

APPARATUS FOR THE MANUFACTURE OF WIRE NETTING.

- APPLICATION FILED JUNE 15,- I916. 1,310,966.

I Patented July 22,1919.

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FRANCISCO RIVIERE' AND FERNANDO RIVIERE. APPARATUS FOR THE MANUFACTURE OF WIBE NETTING.

APPLICATION FlLED JUNE 15, I916.

1 10,966. Patented July 22, 1919.

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FRANCISCO RIVIERE AND FERNANDO RIVIERE. APPARATUS FOR THE MANUFACTURE OF WIRE AIETTING.

APPLICATION FILED .IUNE I5, I916.

I Patented July 22, 1919.

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UNITED STATES PATENT OFFICE.

FRANCISCO RIVIERE AND FERNANDO RIVIERE, OF BARCELONA, SPAIN.

APPARATUS FOR THE MANUFACTURE OF WIREr-NETTING.

Specification of Letters Patent.

Patented July 22, 1919.

Application filed June 15, 1916. Serial No. 103,861.

certain new and useful Improvements in Apparatus for the Manufacture of. Wire Netting, of which the following is a specification. i

This invention relates to apparatus for the manufacture of wire netting of the kind wherein the wires are reticulated by intertwisting, the two wires at each junction or intersection between the meshes being twisted in part in one direction, and in part in the opposite direction.

Our improved machine for producing this kind of netting has two parallel wire guides, each having a series of wire holes arrangedto guide a row of spaced-apart wires. These guides are given rectilinear reciproeating movements in opposite directions, the

7 travel of each guide being equal to one half the width of a mesh. By "this means, the

wiresIengaged with the guides are caused to diverge and converge alternately for'the purpose of forming the meshes, and the wire passing through a hole in one guide is brought alternately into close proximity with the two nearest wires passing through holes in the other guide, for the purpose of effecting the reticulation. The reticulation or twisting is effected bymeans of wheels having radial slots which engage the wires brought together by the movement of the guides, so that rotation of the wheels imparts a twist, the twist being in opposite directions above and below the engaged part respectively. The wheels are mounted on a carrier, which recedes from the wires during the movement of the guides while the pairing of the wires is changed. The carrier of the wheels is also laterally reciprocable and performs a lateral movement equal to half the width of a mesh, between each twisting operation, the junctions of the wires in each row of meshes being, of course, staggered in relation to those in the preceding row. For bending apart the wires between the twists the wheel may have a spike in its slot. Of course, some of the wheels may have this spike, and others may be without it, according to the pattern desired. l v

The invention isillustrated in the acco1npanyingf drawings, in which Figures 1, 2

and 3 are elevations showing samples of netting made by our improved apparatus.

Flgs. 4 to 11 illustrate a preferred form of the apparatus,

Fig. 4 being a vertical section of the main operative parts of the machine, and

Fig. 5 a plan view of the same, with the take-up drum removed.

Fig. 6 is a vertical section, and Fig. 7 a plan view of a twisting wheel with a spike in its slot.

Fig. 8 is a sideview of mechanism for reciprocating the wire guides, and

Fig. 9 is a plan view of this mechanism, with other parts of the apparatus.

Fig. 10 is a vertical section of the wire twisting mechanism and Fig. 11 is an elevation of mechanism for actuating a rack forming part of the twisting mechanism. i

In Figs. 1, 2 and 3 30 and 3 1 designate the wires twisted as described, 32 representing the part between the twists, bent into circular or angular shape, (Figs. 1 and 2 iepspectiyely) or left substantially straight In Figs. 4 and 5, the wire guides are designated 1 and 2 respectively, and 3 designates the support or bed in which these guides are reciprocated in opposite directions, as indicated by arrows A and B. On or over the bed 3 is the carrier 4, with a slot for the rack 5, by which the toothed twisting wheels 20, 21, 22 and 23 are rotated, the rack movingin the direction of the arrow C during one twisting operation, and in the opposite direction for the next twisting operation. The wheels are partly housed in recessesin the carrier, in which they are retained by brackets 33.

The guide 1 has a series of holes 6, and the guide 2 has a series of holes 7 through which the wires 8 and 17 pass. Fig. 5 shows the wires 8, 10, 12, 14 and 16 paired with the wires 9, 11, 13, 15 and 17 respectively. By shifting the guides the airing is changed, as hereinbefore mentione The toothed twisting wheels lie above the holes 6 and 7 during the twisting operation, as shown in Figs. 4 and 5, but the carrier 4 is withdrawn in the direction of the arrow D, to the position indicated by a dotted line in Fig. 5, while the pairing of the wires is changed, and the carrier is then also shifted laterally, alternately in the direction of the arrow E and the opposite direction.

' throat referred to is sufliciently narrow to prevent the wires from being twisted at this part, but in the flared parts above and below the neck the two wires have such freedom of movement in relation to the wheel that they are twisted during the rotation, the twisting being in opposite directions as shown in Figs. 1 to 3.

The netting formed is taken up by the spiked drum 60, intermittently revolving in the direction indicated by the arrow F.

The twisting wheel or pinion 38 shown in Figs. 6 and 7 has a slot 18' and flared bore 35%36, exactly similar to those described in connection with Figs. 4 and 5, but in the narrow part or throat there is a spike 37 arranged so that during the twisting operation it lies between the two wires in the neck. The wires are accordingly bent around this spike, which may be of circular, square, elliptical or othercross-section, according to the pattern required.

Referring to Figs. 8 and 9, 39 designates a driving shaft, which rotates in the direction indicated by the arrow F, and is connected by bevel gears 40,41 to a shaft 42, which it rotates, in the direction of the arrow G. The shaft 42 is mounted in bearings 43, 44: in the frame 4:5, and has fixed to it a cam 46,

whereby it rocks a lever-47 pivoted at 4:8, the

lower arm of this lever being forked to straddle the cam, and the upper arm 50 being engaged between two rolls 51, 52 mounted in the limbs of a fork 53. This fork 53 is rotatably engaged, by means of a stud 5 1, with a disk 55. fixed to a vertical spindle 56. The

"disk 55 has two radial slots 57, 58. A stud 59, passing through a hole in the wire guide 1, entersthe slot 57, connects the said wire guide to the disk 55 and the stud 54: passes through a hole in, the wire guide. 2 and} then enters the slot 58, so that reciprocation of the fork 53*by the lever arm 50 causes the disk to oscillate and to reciprocate the two wire guides forthe purpose.hereinbefore set forth, When the disk is rotating in the direction of the arrow I-l (Fig. 9) the. tWo guides move in the directions of the arrows I and J respectively.

As already explained the. wire twisting wheels, 20 to 23, inclusive, Figs. 9' and IQ, must advance toward thewires, engage and twist the same,,then recede, then move later- ,allyin one direction, then 'advance again,

and then recede andimove laterally in the guides taking place while the twisting wheels are withdrawn, as shown in Fig.

The lateral movements of the carrier l, on which the twisting Wheels are mounted, are produced by means of abutments or tappets-(il fixed to the wire guide 1.

The advance and retraction of the carrier 4; are produced by means of two bell crank levers, one at each end, pivoted at 62 to the frame 45. The arm 63 of each bell crank lever terminatesin a fork 64, between Whose limbs lies a rod 65 fixed to projections 66 of the carrier, SO that the rocking of the bell crank moves the carrier forward andbackward alternately, theglength of the nid 66 allowing the lateral movements referred to. The arm 67 of the bell crank carries a roll 68, which lies within the flanged circumference of a disk 69 fixed to the shaft 39. A cam 70 .on the latter depresses the arm 67, for producing the forward movement of the carrier 4, and then allow the bell crank to return by gravity to the position shown in Fig. 10, retracting the. carrier.

For actuating the, rack 5, bywhich the twistin wheels are rotated, a lever 71 is pivoted at 2 to a bracket on the frame 45. The upper end 73 of this lever 71 liesbetween two rolls 74;, 75 mounted in a frame 76 fixed to the, rack, so that the rocking of'the lever reciprocates the rack. The lever 71 has an aperture formed between two curved enlargements 77 78 of its central part, and within this aperture is a cam member 79 fixed to a disk 80 on the shaft 42. The aperture is so shaped that the cam 79 imparts to the lever a rocking movement,.with a period of rest after each swing of the lever, the movement occurring while the twisting wheelsare engaged with the wires, the carrier lbeing retracted, laterally'moved, and advanced duringthe periods of" rest. Fi 11 shows the lever 71 ready to move the rec 5 in the direction indicated by the arrow K.

What we claim as our invention and deshe to secure by Letters Patent of the United States is o 1. In a wire net machine, two parallel wire guidesyeach arranged to guide a row of spaeed-apart wires, means arranged to oppositely reciprocate said guides one half the width of a mesh, a plurality of twisting wheels, a carrier for said wheels, means for reciprocating said carrier to move said wheels into or from' coeperative position with said rows of wires, means for reciprocating said carrier to move said wheels laterally of the rows of wires one half the width of a mesh, and' means for rotating said wheels inboth the positions to which said wheels are movable bythe second mentioned reciprocating means. 1 v

2. In a wire net machine, two parallel wire guides, each arranged tie guide a row of spaced-apart wires, means arranged to oppositely reciprocate said guides one half the width of a mesh, a plurality of toothed twisting wheels, a carrier for said wheels, means for reciprocating said carrier to move said wheels into or from cooperative position with said rows of wires, means for reciprocating said carrier to move said wheels laterally of the rows of Wires one half the width of a mesh, and means for rotating said wheels in both the positions to which said wheels are movable by the second mentioned reciprocating means, comprising a rack slidable in said carrier and engaged with said twisting wheels, and means for actuating said rack.

3. In a wire net machine, two parallel wire guides each arranged to guide a row of spaced-apart wires, means arranged to oppositely reciprocate said guides to form the mesh, a plurality of twisting wheels rotatable to twist adjacent wires together, a carrier for-said wheels slidable on one of said guides, means for reciprocating said carrier over said guide to move said wheels to and from the wires, means engaging said carrier with the wire guide on which it is slidable, whereby said carrier is reciprocated with said wire guide laterally of the rows of wires, and means for rotating said wheels in both the positions to which said wheels are moved by the lateral reciprocation of said carrier.

4. In a wire net machine, two parallel wire guides, each arranged to guide a row of spaced-apart wires, means arranged to oppositely reciprocate said guides one half the width of a mesh, a plurality of twisting wheels, a carrier for said wheels, means for reciprocating said carrier to move said wheels into or from cooperative position with said rows of wires, means for reciproeating said carrier to move said wheels laterally of the rows of wires one half the width of a mesh, means for rotating said wheels in both the positions to which said wheels are movable by the second mentioned reciprocating means, and a wire net receiving drum intermittently rotatable above said guides and receiving wheels to receive the wire net as it is formed.

In witness whereof we have signed this specification in the presence of two witnesses.

FRANCISCO RIVIERE. FERNANDO RIVIERE. Witnesses:

LUIs MIGUEL, FRANCISCO MARUGAN.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents. Washington, D. 0. 

